65145415696 has 15 divisors (see below), whose sum is σ = 126221221021. Its totient is φ = 32572197376.

The previous prime is 65145415693. The next prime is 65145415723. The reversal of 65145415696 is 69651454156.

The square root of 65145415696 is 255236.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 344622096 + 64800793600 = 18564^2 + 254560^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65145415693) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 989040 + ... + 1052848.

Almost surely, 2^65145415696 is an apocalyptic number.

65145415696 is the 255236-th square number.

It is an amenable number.

65145415696 is a deficient number, since it is larger than the sum of its proper divisors (61075805325).

65145415696 is an frugal number, since it uses more digits than its factorization.

65145415696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127626 (or 63811 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 52.

The spelling of 65145415696 in words is "sixty-five billion, one hundred forty-five million, four hundred fifteen thousand, six hundred ninety-six".